100311030 has 24 divisors (see below), whose sum is σ = 260808912. Its totient is φ = 26749584.

The previous prime is 100311017. The next prime is 100311037. The reversal of 100311030 is 30113001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557194 + ... + 557373.

It is an arithmetic number, because the mean of its divisors is an integer number (10867038).

Almost surely, 2^100311030 is an apocalyptic number.

100311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100311030 is an abundant number, since it is smaller than the sum of its proper divisors (160497882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100311030 is a wasteful number, since it uses less digits than its factorization.

100311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114580 (or 1114577 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 100311030 is about 10015.5394263115. The cubic root of 100311030 is about 464.6396097624.

Adding to 100311030 its reverse (30113001), we get a palindrome (130424031).

The spelling of 100311030 in words is "one hundred million, three hundred eleven thousand, thirty".